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Littelfuse Silicon Protection Array Catalog

Littelfuse Silicon Protection Array Catalog

Product catalog summary

Introduction
This document is a comprehensive product catalog and design guide for Silicon Protection Array (SPA) products by Littelfuse. It covers various overvoltage suppression technologies and their applications in protecting electronic circuits from transient voltage events such as electrostatic discharge (ESD) and lightning.

Overvoltage Suppression Technologies

TVS Diodes: Used across multiple markets for suppressing overvoltage transients.
Varistors: Designed for transient protection in various applications.
SIDACtor Devices: Thyristor products for telecom and datacom applications.
Gas Plasma Arrestors (GDTs): Fast response to transient overvoltage events.
Silicon Protection Arrays: Protect analog and digital signal lines from ESD and other transients.
PulseGuard ESD Suppressors: Protect high-speed digital lines without signal distortion.

Design Support and Services
Littelfuse provides design and technical support, product sampling programs, and evaluation labs for product development and compliance testing.

Overcurrent Protection Technologies

Positive Temperature Coefficient Devices (PTCs): Provide resettable overcurrent protection.
Fuses: Available in various styles for a wide range of applications.

Switching Technologies
Includes solid-state switches like switching thyristors for controlling electrical current flow.

Silicon Protection Arrays (SPAs)
SPAs are designed to protect electronics from fast and damaging voltage transients, offering features like low capacitance and high ESD protection.

Transient Voltage Scenarios
Details the characteristics of transients and their impact on electronic components.

Importance of Circuit Protection
Emphasizes the benefits of using ESD protection components to enhance product reliability and longevity.

ESD Suppression Strategies
Chip Level Protection: Discusses trade-offs between ESD protection and chip size.
Board Level Protection: Highlights the importance of board layout in preventing voltage overshoot.

Common ESD Entry Points
Identifies various paths through which ESD can enter devices.

Suppressor Location and Manufacturing Process
Recommends placing suppressors close to the lines they protect.

Supplemental ESD Protection
Considers specifications like capacitance and peak voltage when selecting suppressors.

ESD Immunity Test Standards
Describes models like CDM, MM, and HBM used for testing products.

SPA Technology Overview
SPAs absorb transients with diodes and clamp voltage levels with zener diodes.

Common Applications
SPAs are used in applications like USB products and digital cameras.

Technical Specifications
Details for SP1002, SP3001, and SP3002 series, including package types and electrical characteristics.

SP3004 and SP050xBA Series
Designed for ESD and transient overvoltage protection with low capacitance and clamp voltage.

SP720 Series
Provides ESD and over-voltage protection using SCR/Diode bipolar structures.

SP721 and SP723 Series
Designed for automotive and battery-operated systems, offering high ESD protection levels.

SP723 and SP724 Series
Outlines ESD testing methods and peak transient current capabilities.

SP724 and SP725 Series
SCR Diode Arrays designed for ESD and transient overvoltage protection.

Specifications and Standards
Defines symbols and dimensioning standards, with package details for SOIC and other configurations.

Product Characteristics
Details on SP725ABG and SP03-6 series, including electrical characteristics and application examples.

USB Port Protection
SPUSB1 Series offers ESD protection, EMI/RFI filtering, and line termination for USB ports.

Package Specifications
Provides detailed specifications for various packages, including SC70-6.

Additional Resources
Littelfuse offers online product specifications and design guides.

All Littelfuse catalogs and technical brochures

Archived catalogs

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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